ogc

pygeoapi is a Python server implementation of the OGC API suite of standards. The project emerged as part of the next generation OGC API efforts in 2018 and provides the capability for organizations to deploy a RESTful OGC API endpoint using OpenAPI, GeoJSON, and HTML. pygeoapi is open source and released under an MIT license.

api data geospatial ogc osgeo ogc-api pygeoapi

UpdatedFeb 17, 2026
Python

boostorg /geometry

Star502

Boost.Geometry - Generic Geometry Library | Requires C++14 since Boost 1.75

cplusplus geometry boost computational-geometry cplusplus-14 spatial-analysis spatial-index ogc geometric-algorithms cxx14 generic-geometry-library

UpdatedDec 10, 2025
C++

geonetwork /core-geonetwork

Star492

GeoNetwork is a catalog application to manage spatially referenced resources. It provides powerful metadata editing and search functions as well as an interactive web map viewer. It is currently used in numerous Spatial Data Infrastructure initiatives across the world.

api metadata catalog inspire geospatial opendata open-data iso19139 ogc csw dcat opensearch metadata-management iso19110 iso19115 iso19119 ogcapi

UpdatedFeb 19, 2026
Java

3dcitydb /3dcitydb

Star446

3D City Database - The Open Source CityGML Database

database postgresql gis oracle citygml ogc 3d-city-model

UpdatedFeb 16, 2026
PLpgSQL

geopython /OWSLib

Star419

OWSLib is a Python package for client programming with Open Geospatial Consortium (OGC) web service (hence OWS) interface standards, and their related content models.

ogc ows ogcapi

UpdatedJan 26, 2026
Python

opengeospatial /ogcapi-features

Star372

An open standard for querying geospatial information on the web.

api openapi geospatial-data standard ogc features wfs ogc-api

UpdatedJan 7, 2026
CSS

opengeospatial /geopackage

Star275

An asciidoc version of the GeoPackage specification for easier collaboration

geopackage ogc geopackage-standards geopackage-swg

UpdatedNov 25, 2024
CSS

geopython /pycsw

Star233

pycsw is an OGC CSW server implementation written in Python. pycsw fully implements the OpenGIS Catalogue Service Implementation Specification [Catalogue Service for the Web]. Initial development started in 2010 (more formally announced in 2011). The project is certified OGC Compliant, and is an OGC Reference Implementation. pycsw allows for the…

metadata geospatial ogc csw

UpdatedFeb 7, 2026
Python

orbisgis /h2gis

Star218

A spatial extension of the H2 database.

database spatial standards ogc

UpdatedFeb 2, 2026
PLpgSQL

mapfish /mapfish-print

Star193

A component of MapFish for printing templated cartographic maps. This module is the Java serverside module.

java maps reporting geospatial gis ogc jasperreports geotools geomapfish

UpdatedFeb 20, 2026
Java

deegree /deegree3

Star166

Official deegree repository providing geospatial core libraries, data access and advanced OGC web service implementations

java metadata inspire iso geospatial wms gis spatial gml wcs ogc wmts wps osgeo csw wfs ows deegree

UpdatedFeb 11, 2026
Java

NetTopologySuite /GeoAPI

Star159

GeoAPI.NET project provides a common framework based on OGC/ISO standards to improve interoperability among .NET GIS projects.

c-sharp ogc geoapi

UpdatedJul 23, 2019
C#

sldeditor /sldeditor

Star157

Java desktop application that allows the creation and editing of OGC Styled Layer Descriptors for use with GeoServer. See blog for more project information (https://robward-scisys.github.io).

editor gis qgis geoserver symbols gui-application ogc sld java-desktop-application